Seine Grands Lacs
Seine Grands Lacs is a French public EPTB managing four Seine-basin lake reservoirs for flood prevention, low-water support, and environmental protection, funded by statutory redevance contributions from member territorial authorities.
- Company typePrivate
- Founded1969
- HeadquartersParis, France
- Headcount—
- GTM typeB2B
- OfferingServices
What Seine Grands Lacs does
Seine Grands Lacs is a French public territorial basin organization (Établissement Public Territorial de Bassin, EPTB), established in 1969 and headquartered in Paris, with an official mandate from the State to manage water resources across the Seine basin. Its core function is to operate four large lake reservoirs used for flood prevention, low-water (étiage) support, and environmental protection of the Seine river system. The organization serves member territorial authorities—departments, municipalities, intercommunalities, and the Métropole du Grand Paris (which joined in December 2020)—acting as a coordinating public actor rather than a commercial enterprise.
Its core "products" are operational and infrastructural rather than market-priced: the four lake reservoirs with their dams, spillways, and water-level control systems; the La Seine Bassée pilot project, which extends the operational toolkit beyond the historic reservoirs; the GéoSeineGrandsLacs GIS platform and COTECO zoning tool, used to support member-territory planning; the EPISEINE public-awareness program; six PAPI (Programmes d'Actions de Prévention des Inondations) institutionalizing flood-prevention planning; and a monthly hydrological bulletin (most recent May 2026) providing ongoing basin monitoring. Underlying technology is centered on hydraulic infrastructure and GIS-based environmental data rather than software platforms.
The business model is a public-fee structure: Seine Grands Lacs is funded primarily through the redevance, a statutory contribution paid by member territories and water users in the Seine basin, with governance exercised through elected representatives (President Patrick Ollier, re-elected 2024). There is no commercial pricing model or external equity funding; recent strategic activity has centered on expanding membership (Métropole du Grand Paris), renovating dam infrastructure (La Morge, Beaumont, Chavaudon), and broadening the operational perimeter via La Seine Bassée and PAPI programs.
Seine Grands Lacs firmographics
Firmographics- Name
- Seine Grands Lacs
- Legal name
- Établissement Public Territorial de Bassin Seine Grands Lacs
- Website
- https://seinegrandslacs.fr
- Company type
- Private
- Founded year
- 1969
- Operating status
- Operating
- Short description
- Seine Grands Lacs is a French public EPTB managing four Seine-basin lake reservoirs for flood prevention, low-water support, and environmental protection, funded by statutory redevance contributions from member territorial authorities.
- Ownership category
- akta.pro rank
Seine Grands Lacs industry classification
Industry- Product category
- Water Resource Management
- NAICS
- Water Supply and Irrigation Systems (22131), Administration of Environmental Quality Programs (9241), Administration of Conservation Programs (92412)
- SIC
- Water Supply (4941)
- akta.pro primary industry
- Water Resources Administration (Watersheds, Rivers, Groundwater) (BPAIAMAE)
- akta.pro secondary industries
- Hydro & Geothermal Reservoir/Wellfield Operations (Waterways, Dams, Wells, Brine Handling) (EUAMAGAI), Water Storage & Conveyance Structures (Tanks, Reservoirs, Canals, Ponds) (AFAAACAH), Hydro BOP Civil & Water Conveyance (Dams, Spillways, Penstocks, Canals) (EUAMAFAG)
Keywords
Where Seine Grands Lacs is headquartered
LocationHeadquarters
- HQ city
- Paris
- HQ country
- France
- HQ region
- Europe
Offices1 record
Markets served
Seine Grands Lacs business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Infrastructure, Operations, Personnel, Technology or R&D, Others
Revenue model
- Redevance (Water Fees): Public funding through water fees (redevance) collected from territories and water users within the Seine basin, used to fund reservoir operations, maintenance, and flood prevention infrastructure.
- Public Budget Contributions: Contributions from member territories and public authorities (departments, municipalities, metropolises) that participate in the EPTB governance structure to fund shared water management objectives.
Go-to-market motion1 record
Distribution channels3 records
Marketing channels8 records
Seine Grands Lacs product offering
Product offeringCore offering
Seine Grands Lacs is a public territorial basin institution (EPTB) that manages four lake-reservoirs (Orient, Amance-Temple, Der, Pannecière) across the Seine basin to prevent flooding, support river flow during low-water periods, and protect aquatic ecosystems. It coordinates basin-wide water management through PAPI flood-prevention programs, the COTECO low-flow monitoring committee, the GéoSeineGrandsLacs GIS platform, the EPISEINE awareness program, and the La Seine Bassée pilot project, serving member territories, public authorities, and at-risk populations.
Product overview
Seine Grands Lacs (EPTB Seine Grands Lacs) is a public territorial basin establishment operating a portfolio of four lake-reservoirs (Lac-du-Der, Lac-d'Orient, Lac-Amance-Temple, and Lac-de-Panneciere) for flood prevention, drought support, and environmental protection across the Seine basin. The organization provides related services including the EPISEINE flood risk awareness program, GeoSeineGrandsLacs geographic information platform, COTECO hydrological monitoring committee, and manages projects such as La Seine Bassee flood control infrastructure and dam renovation works. Administrative publications, hydrological bulletins, and PAPI flood prevention action programs support institutional stakeholders.
Differentiator
Problem solved
Functional benefit
Brands
- EPISEINE: Awareness and education device on flood risk for the Seine basin population
Products and services
- EPTB Seine Grands Lacs Public territorial basin establishment managing water resources in the Seine basin.
Quantifiable outcome
- Current reservoir levels are monitored and managed in real-time (e.g., Der at 79%, Orient at 86%, Amance-Temple at 78%, Pannecière at 81% filling rates shown on homepage)
Companies that use Seine Grands Lacs
Customer profileSegments3 records
Ideal customer profiles3 records
Seine Grands Lacs technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Seine Grands Lacs partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered minor and core.
- Association Eau et Agriculture Durables du ChatillonaisminorSeine Grands Lacs maintains membership in the Association Eau et Agriculture Durables du Chatillonais, which focuses on sustainable water and agricultural practices.
- Métropole du Grand PariscoreThe Métropole du Grand Paris joined the governance structure of Seine Grands Lacs EPTB in December 2020, strengthening collaboration on water management and flood prevention in the Paris metropolitan area.
Scale indicators4 records
Recent moves7 records
Expansion highlights4 records
Seine Grands Lacs competitors and assessment
Company assessmentBroad incumbents
- Rijkswaterstaat: Dutch national agency responsible for major waterworks, flood defense, and freshwater management. Comparable as a public infrastructure operator with mandate for flood prevention and hydrological management, but operating at national scale across multiple basins.
- Compagnie Nationale du Rhône (CNR): French state-concessioned operator of Rhône river hydraulic infrastructure, including dams, locks, and hydroelectric plants. Comparable in operating large-scale hydraulic assets and integrated flood/flow management, but with a broader hydropower and navigation mandate.
- Voies Navigables de France (VNF): French public operator of the navigable waterway network, including associated hydraulic infrastructure along rivers including the Seine. Comparable as a public hydraulic-infrastructure operator with multiple governance stakeholders and recurring redevance-based funding.
- Environment Agency (UK): UK public body with statutory responsibilities for flood risk management, water resources, and environmental protection. Comparable as a public-sector entity combining flood-prevention infrastructure operations with environmental stewardship and regulatory functions.
- Électricité de France (EDF) — Hydro Division: Operator of France's largest fleet of hydroelectric reservoirs and dams, many of which share flood-management functions. Comparable in managing large reservoir infrastructure for hydrological regulation, though primarily driven by power generation.
Direct peers
- Établissement Public Loire (EPL): French EPTB designated for the Loire basin, performing an identical public mandate of basin-wide water resource management, flood prevention, and low-flow support through reservoir and dam infrastructure. Most directly comparable French peer given identical legal status (EPTB) and overlapping functional scope.
- EPTB Saône-Doubs: French EPTB for the Saône and Doubs basins, with a comparable mandate for coordinated water management and flood prevention across multiple sub-basins. Shares the EPTB legal framework and direct-to-territorial-collectivities operating model.
- Agence de l'eau Seine-Normandie: French water agency for the Seine-Normandie basin, responsible for water resource policy, redevance collection, and funding water infrastructure projects in the same geographic perimeter. Operates a closely related redevance-based funding model and coordinates with Seine Grands Lacs on basin strategy.
Others
- Météo-France: French national meteorological service providing hydrometeorological forecasting and climate data feeding into Seine Grands Lacs' reservoir operations and COTECO monitoring. Adjacent enabling partner rather than a direct peer, but functionally linked through shared hydrological data dependencies.
Regional players
- Institut d'Aménagement et d'Urbanisme de la Région d'Île-de-France (IAU-IDF): Regional planning institute for Île-de-France, coordinating territorial adaptation including climate-related water and flood risk planning in the Paris region. Adjacent to Seine Grands Lacs' mandate and increasingly a coordination partner given Métropole du Grand Paris involvement.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
Seine Grands Lacs social profiles
Digital presenceSeine Grands Lacs financial estimates
Financial estimateRevenue estimate
Valuation estimate
Seine Grands Lacs leadership team
Management profileNumber of profiles
Seine Grands Lacs funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Seine Grands Lacs M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Seine Grands Lacs
What does Seine Grands Lacs do?
Seine Grands Lacs is a public territorial basin institution (EPTB) that manages four lake-reservoirs (Orient, Amance-Temple, Der, Pannecière) across the Seine basin to prevent flooding, support river flow during low-water periods, and protect aquatic ecosystems. It coordinates basin-wide water management through PAPI flood-prevention programs, the COTECO low-flow monitoring committee, the GéoSeineGrandsLacs GIS platform, the EPISEINE awareness program, and the La Seine Bassée pilot project, serving member territories, public authorities, and at-risk populations.
Is Seine Grands Lacs a public or private company?
Seine Grands Lacs is a private company. It is classified as state government owned and is currently operating.
When was Seine Grands Lacs founded?
Seine Grands Lacs was founded in 1969.
Where is Seine Grands Lacs based?
Seine Grands Lacs is headquartered in Paris, France, in the Europe region.
How does Seine Grands Lacs make money?
Two revenue lines are on record. Redevance (Water Fees) is the primary driver. The others are public Budget Contributions.
Who are Seine Grands Lacs's main competitors?
Broad incumbents on record are Rijkswaterstaat, Compagnie Nationale du Rhône (CNR), Voies Navigables de France (VNF), Environment Agency (UK) and Électricité de France (EDF) — Hydro Division. Direct peers are Établissement Public Loire (EPL), EPTB Saône-Doubs and Agence de l'eau Seine-Normandie. Météo-France is listed as an others. Institut d'Aménagement et d'Urbanisme de la Région d'Île-de-France (IAU-IDF) is listed as a regional player.
Does Seine Grands Lacs have an API?
No public API is recorded for Seine Grands Lacs.
What industry is Seine Grands Lacs in?
Seine Grands Lacs's product category is Water Resource Management. Its primary akta.pro industry code is BPAIAMAE, Water Resources Administration (Watersheds, Rivers, Groundwater), with a secondary code of EUAMAGAI, Hydro & Geothermal Reservoir/Wellfield Operations (Waterways, Dams, Wells, Brine Handling). Its NAICS code is 22131 and its SIC code is 4941.